Manufacturer's Description

Retailers' Descriptions

The SmartWool Mountaineering Extra Heavy Crew is at home in the cold and the wet. The extra heavy cushion keeps your feet warm and dry in the most inhospitable conditions. This sock is the perfect choice for mountaineering, ice climbing and multi-day treks.-- WOW Technology(TM) in reinforced sole for maximum comfort and durability-- 2x1 rib knit cuff-- Flat knit toe seam-- Sizing: Medium: 6.5-8.5; Large: 9-11.5; X-Large:12+

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OMCgear
refers to the men's version

When you're high up on the mountain, the last thing you want to worry about is your feet. Wear the Smartwool Mountaineering Extra Heavy Crew Sock, and just worry about bagging that summit. This crew-length sock utilizes Smartwool's wool-on-wool technology for maximum extra-heavy cushioning and durability. A flat-knit toe seam helps to avoid irritation inside your boot, and Smartwool's fit system gives added arch and ankle support.